کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1675822 1008985 2007 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
CdTe–CdS solar cells — Production in a new baseline and investigation of material properties
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
CdTe–CdS solar cells — Production in a new baseline and investigation of material properties
چکیده انگلیسی

In this paper, we describe our new baseline for CSS–CdTe–CdS solar cells on 10 × 10 cm2 substrates. The deposition of the p–n junction and all the following steps were performed at the Institut für Festkörperphysik (IFK) in Jena. Using the new baseline, we are already able to produce solar cells with similar properties as commercial ones. In the batch type process, all manufacturing steps can be investigated separately. We employ Rutherford backscattering spectrometry (RBS), X-ray diffraction (XRD) and external quantum efficiency (EQE) measurements to characterise the structure of the bulk materials and interfaces. It is demonstrated that by RBS the front contact becomes accessible for thinned CdTe films. At the back contact, RBS spectra show a tellurium accumulation which is due to etching. This tellurium rich layer is confirmed by XRD with Rietveld refinement. The intermixing at the CdS–CdTe interface caused by the activation step is quantified by a bandgap determination based on EQE measurements. From the bandgap energy of the CdTe1 − xSx compound, we calculated the sulphur fraction x at the interface. XRD measurements imply that the activation step induces a (111) texture in CdTe. With regard to an improved manufacturing process, our cells are compared to industrial cells produced by Antec Solar Energy.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 515, Issue 15, 31 May 2007, Pages 5804–5807
نویسندگان
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